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Jyutping gwo3 sam1
Pinyin guò xīn

Definitions (Wiktionary)
  1. adj, regional
    close; intimate; understanding
    (syn.) 親熱, 知心, 亲切, 火熱, 親近, 緊密, 密切, 同衾, 近乎, 貼己, 贴己, 體己, 接近, 体己, 热火, 親切, 近, 熱和, 周密, 貼身, 亲善, 火热, 亲近, 親善, 亲密, 贴身, 紧密, 親密, 热和, 亲热, 熱火
  2. adj, regional
    oversensitive; paranoid; suspicious
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (粵典–words.hk)
  1. Cantonese
    佢系丑样啲,不过心地好好㗎。
    佢係醜樣啲,不過心地好好㗎。
    keoi5 hai6 cau2 joeng2 di1, bat1 gwo3 sam1 dei2 hou2 hou2 gaa3.
    • He might be ugly, but he is a nice person.